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9th Class Science Diversity in Living Organisms Question Bank 9th CBSE Science Diversity in Living Organisms

  • question_answer
      In which phylum, the excretory system consists   of   blind   tubules   called protonephridia bearing flame bulb or flame cell? Give two examples of this phylum.

    Answer:

      Platyhelminthes consists of blind tubules, called protonephridia which bear tuft of cilia or a flagellum called flame bulb, e.g., Dugesia {Planaria), Schistosoma.


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